-ol b-u bbb bbc bbe bbg bbh bbk bbl bbo bbu bcb bcc bce bcg bch bck bcl bco bcu be- beb bec bee beg beh bek bel beo beu bgb bgc bge bgg bgh bgk bgl bgo bgu bhb bhc bhe bhg bhh bhk bhl bho bhu bkb bkc bke bkg bkk bkl bko blb blc ble blg blh blk bll blo blu bob boc boe bog boh bok bol boo bou bub buc bue bug buh buk bul buo buu c-- cbb cbc cbe cbg cbh cbk cbl cbo cbu ccb ccc cce ccg cch cck ccl cco ccu ce- ceb cec cee ceg ceh cek cel ceo ceu cgb cgc cge cgg cgh cgl cgo cgu ch- chb chc che chg chh chk chl cho chu ckb ckc ckh cko cl- clb clc cle clg clh clk cll clo clu co- cob coc coe cog coh cok col coo cou cub cuc cue cug cuh cuk cul cuo cuu ebb ebc ebe ebg ebh ebk ebl ebo ebu ec- ecb ecc ece ecg ech eck ecl eco ecu eeb eec eee eeg eek eel eeo egb egc ege egg egh egl ego egu ehb ehc ehe ehg ehh ehl eho ehu ekb ekc eke ekg ekh ekl eko eku elb elc ele elg elh elk ell elo elu eo- eob eoc eoe eog eoh eok eol eoo eou eu- eub euc eue eug eul gbc gbe gbg gbh gbk gbl gbo gbu gcb gcc gce gcg gch gck gcl gco gcu ge- geb gec gee geg geh gek gel geo geu ggb ggc ggg ggh ggo ggu ghb ghc ghe ghg ghh ghl gho gkb gkh gko glb glc gle glg glh glk gll glo glu gob goc goe gog goh gok gol goo gou gu- gub guc gue gug guk gul guo guu hbb hbc hbe hbg hbh hbk hbl hbo hbu hcb hcc hce hcg hch hck hcl hco he- heb hec hee heg heh hek hel heo heu hgb hgc hge hgg hgh hgk hgl hgo hgu hhb hhc hhe hhg hhh hhk hhl hho hhu hkb hkg hkh hkk hkl hko hku hlb hlc hle hlg hlh hll hlo hlu hob hoc hoe hog hoh hok hol hoo hou hub huc hue hug huh huk hul huo huu kbb kbc kbe kbh kbk kbl kbo kbu kcb kcc kce kcg kch kck kcl kcu ke- keb kec kee keg keh kek kel keo kgb kgc kgh kgl kgo kgu khe khh khk kho khu kkb kkc kke kkh kkk kkl kku kl- klb klc klg klh klo klu kob koc koe kog koh kok kol koo kou kub kuc kue kug kuh kuk kul kuu lbb lbc lbe lbg lbh lbk lbl lbo lbu lcb lcc lce lcg lch lck lcl lco lcu leb lec lee leg leh lek lel leo leu lgb lgc lge lgg lgh lgk lgl lgo lgu lhb lhc lhh lhk lho lhu lkb lkg lkh lkl llb llc lle llg llk lll llo llu lob loc loe log loh lok lol loo lou lub luc lue lug luh luk lul luo luu ob- obb obc obe obg obh obk obl obo obu oc- ocb occ ocg och ock ocl oco ocu oeb oec oee oeg oeh oel oeo ogc oge ogg ogh ogl ogo ohc ohe ohg ohh ohl oho ohu okb okc oke okg okk okl oko oku olb olc ole olg olk oll olo olu oo- oob ooc oog ooh ook ool ooo ou- ouc oue ouh ouk oul ouo ubb ubc ube ubg ubh ubk ubl ubo ubu ucb ucc uce ucg uch uck ucl uco ucu ueb uec uee ueg ueh uel ugb ugc uge ugg ugh ugk ugl ugo ugu uhb uhc uhe uhh uhl uho uhu ukb ukc uke ukk ukl uku ulb ulc ule ulg ulk ull ulo ulu uob uoc uoe uog uok uol uoo uuc uue uug uuu